Official NHA Assessment

Race 6: ALLIED STEELRODE CHARITY MILE 1 NOVEMBER MR 96 HANDICAP (Open)

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Line Horse
Mount Darwin
Reference for assessment
Exact Matches
0 / 12
Calculated = Official
Close Matches
2 / 12
Within 2 points
Significant Diffs
7 / 12
More than 5 points
Detailed Assessment
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Pos  Horse                Age  Weight  Fin  Lengths  WFA   Pre   Race Rating  New   Adj  
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1    Mastership           2    57.5    1    0.00     0.0   91    104          91    +0
2    Birthright           4    56.0    2    2.00     5.0   88    94           94    +6
3    Mount Darwin         3    56.0    3    2.05     8.0   88    88           88    +0
4    Unsolved Riddle      3    52.0    4    2.25     8.0   79    80           80    +1
5    Imperial Master      4    55.5    5    3.00     5.0   90    92           92    +2
6    Palace Prince        2    52.0    6    3.50     0.0   94    94           94    +0
7    Flashy Apache        6    55.5    7    3.90     0.0   92    101          101   +9
8    Douglas Dragon       3    53.5    8    4.20     8.0   83    81           81    -2
9    Infinite Wonder      7    60.0    9    5.70     0.0   96    109          109   +13
10   To The Rescue        4    53.0    10   5.90     5.0   82    85           85    +3
11   Silent War           3    57.0    11   6.40     8.0   93    87           87    -6
99   Aladdin's Lamp       4    58.5    99   0.00     5.0   -     96           96    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Mastership 91 105 91 +14 0.0 -
2 Birthright 88 95 94 +1 5.0 -
3 Mount Darwin Line 88 81 88 -7 8.0
4 Unsolved Riddle 79 77 80 -3 8.0 -
5 Imperial Master 90 90 92 -2 5.0 -
6 Palace Prince 94 103 94 +9 0.0 -
7 Flashy Apache 92 78 101 -23 0.0 -
8 Douglas Dragon 83 89 81 +8 8.0 -
9 Infinite Wonder 96 86 109 -23 0.0 -
10 To The Rescue 82 82 85 -3 5.0 -
11 Silent War 93 91 87 +4 8.0 -
99 Aladdin's Lamp - 106 96 +10 5.0 -
Assessment Methodology
Calculation Steps:
  1. Identify Line Horse - consistent performer used as reference
  2. Calculate WFA Allowance based on age, distance, and month
  3. Apply Drag Adjustment for beaten margin
  4. Calculate Actual Weight Performance:
    Weight - Drag - WFA
  5. Compare to Line Horse to determine race rating
  6. Apply special rules (maiden caps, layoff allowance)
Key Formulas:
  • Drag Effect: Varies by distance (see Benchmarks page)
  • 1 length ≈ 1kg at 1 mile (1600m)
  • WFA Scale: Based on Admiral Rous's 1855 table
  • Rating Points: 1kg = 2 rating points